National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Fair

28°C

82°F

Humidity 85%
Wind Speed SE 19 km/h
Barometer 1014.9 mb (29.98 in)
Dewpoint 25°C (77°F)
Visibility 16 km
Heat Index32°C (90°F)
Last update 12 Jul 9:52 pm CDT
Extended Forecast for

Harlingen TX

  • Tonight

    Tonight: Partly cloudy, with a low around 27. South southeast wind 16 to 21 km/h, with gusts as high as 39 km/h.

    Low: 27 °C

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 36. South southeast wind 16 to 26 km/h, with gusts as high as 45 km/h.

    High: 36 °C

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26. Southeast wind 19 to 24 km/h decreasing to 13 to 18 km/h after midnight. Winds could gust as high as 39 km/h.

    Low: 26 °C

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 35. Southeast wind 13 to 18 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 42 km/h.

    High: 35 °C

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26. South southeast wind 19 to 24 km/h decreasing to 13 to 18 km/h after midnight. Winds could gust as high as 39 km/h.

    Low: 26 °C

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 34. South southeast wind 13 to 18 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 45 km/h.

    High: 34 °C

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26. Southeast wind 16 to 26 km/h, with gusts as high as 40 km/h.

    Low: 26 °C

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 36. South southeast wind 14 to 19 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 45 km/h.

    High: 36 °C

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 24. Southeast wind 14 to 24 km/h, with gusts as high as 40 km/h.

    Low: 24 °C

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 27. South southeast wind 16 to 21 km/h, with gusts as high as 39 km/h.
Sunday
Mostly sunny, with a high near 36. South southeast wind 16 to 26 km/h, with gusts as high as 45 km/h.
Sunday Night
Partly cloudy, with a low around 26. Southeast wind 19 to 24 km/h decreasing to 13 to 18 km/h after midnight. Winds could gust as high as 39 km/h.
Monday
Mostly sunny, with a high near 35. Southeast wind 13 to 18 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 42 km/h.
Monday Night
Partly cloudy, with a low around 26. South southeast wind 19 to 24 km/h decreasing to 13 to 18 km/h after midnight. Winds could gust as high as 39 km/h.
Tuesday
Mostly sunny, with a high near 34. South southeast wind 13 to 18 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 45 km/h.
Tuesday Night
Partly cloudy, with a low around 26. Southeast wind 16 to 26 km/h, with gusts as high as 40 km/h.
Wednesday
Sunny, with a high near 36. South southeast wind 14 to 19 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 45 km/h.
Wednesday Night
Mostly clear, with a low around 24. Southeast wind 14 to 24 km/h, with gusts as high as 40 km/h.
Thursday
Sunny, with a high near 36. Southeast wind 13 to 18 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 39 km/h.
Thursday Night
Mostly clear, with a low around 25. South southeast wind 19 to 24 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 37 km/h.
Friday
Sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.19°N 97.7°W
Last Update:
10:00 pm CDT Jul 12, 2025
Forecast Valid:
10pm CDT Jul 12, 2025-6pm CDT Jul 19, 2025
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation